(S)-methyl 4-methyl-2-(4-methyl-N-((S)-2-(2-(4-methylphenylsulfonamido)phenylamino)-3-phenylpropyl)phenylsulfonamido)pentanoate

N-((S)-1-hydroxy-4-methylpentan-2-yl)-4-methyl-N-((S)-2-(2-(4-methylphenylsulfonamido)phenylamino)-3-phenylpropyl)benzenesulfonamide

N-((S)-1-hydroxy-3-methylbutan-2-yl)-4-methyl-N-((S)-3-methyl-2-(2-(4-methylphenylsulfonamido)phenylamino)butyl)benzenesulfonamide

(3S,6S)-6-benzyl-3-isobutyl-1,4-ditosyl-2,3,4,5,6,7-hexahydro-1H-benzo[b][1,4,7]triazonine

(3S,6S)-3,6-diisopropyl-1,4-ditosyl-2,3,4,5,6,7-hexahy-dro-1H-benzo[b][1,4,7]triazonine